nano copper powder, manufactured by patented process, high purity particle size of 100nm good price 100nm Nano Copper Powder Characters: 1, color: red powder, spherical 2, average particle size: 100 nm 3, purity≥ 99.5% 4, specific surface area(BET): 9.12 m²/g 5, crystal structure: face-centered cubic (fcc) 6, bulk density: 0.8g/cm³; 7, theoretic density 8.96g/cm³ 7, dispersion: no hard ...